Wiangnak P, Trongratsameethong A. Automated Knowledge Integration from Heterogeneous Data Sources Using Text Analytics: A Case Study of COVID-19. ECTI-CIT Transactions [internet]. 2023 Dec. 9 [cited 2026 Oct. 13];17(4):533-4. available from: https://ph01.tci-thaijo.org/index.php/ecticit/article/view/253785